Underscore.js

Underscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.

JavaScript Framework492 domainsunderscorejs.org
Stats
Adoption0.5%
Avg confidence98%
30-day trend+492
Search database

What is Underscore.js?

Underscore.js is a javascript framework technology. Underscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.. Currently detected on 492 websites in the Glympt index.

Official website: underscorejs.org.

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Top countries

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Frequently used with

jQuery491PHP450MySQL422Google Tag Manager406Google Analytics360WordPress324Global Site Tag319Google Analytics 4318jQuery Migrate286Font Awesome266

Frequently asked questions

How does Glympt detect Underscore.js?

By scanning headers, HTML, JS globals, meta tags, and cookies. Detection is automated and non-intrusive.

How accurate?

Confidence averages 98% for Underscore.js. ≥70% is highly reliable.

Can I export?

Yes. Pro and Business plans include CSV export with full filtering.

Refresh rate?

Major sites: ~7 days. Smaller domains: ~30 days. Trigger fresh scans from the dashboard.

Is Underscore.js trending?

Underscore.js gained 492 domains in 30 days.

What is "confidence"?

0–100 score indicating detection certainty. Multiple strong signals = high confidence.